RZA HEPA Replacement Filter for RZ AIRflow PTAC Units | True HEPA 99.97% Black ⚠️ Please Note: This product

⚠️ Please Note: This product contains only the outer mask shell

or ear loops

Active carbon odor and VOC reduction

or make you feel like you're breathing through a wall

RZA HEPA Replacement Filter for RZ AIRflow PTAC Units | True HEPA 99.97% Black ⚠️ Please Note: This productThe Only RZA HEPA Filter Engineered for PTAC Unit's Most HEPA filters are built for standalone air purifiers. The RZ AIRflow HEPA Replacement Filter is different it's the only HEPA filter specifically designed to fit standard PTAC heating and cooling units, turning your existing HVAC infrastructure into a hospital grade air purification system. RZ Mask has been engineering precision respiratory and air filtration products since 2011, with 19+ USA and